What is the default size of h2 element in bootstrap.

Elements within a component share a standard z-index scale of 0 through ____.

In Bootstrap, what are the onblur and onfocus events?

 Which bootstrap has twelve column responsive grid layout system?
 

 Which of the following bootstrap style of button makes the button size small? 

Which HTML element is used to create secondary text in any heading in Bootstrap?

  For inserting plain text we use __________
 

For quoting blocks of content from another source within your document, which HTML tag can be used?

 Which of the following bootstrap style makes a set of buttons appear vertically stacked rather than horizontally? 

Both the statements below are related to color utilities in Bootstrap.

Statement 1: By default, the $enable-gradients variable is disabled.

Statement 2: In some cases, contextual classes cannot be applied due to the specificity of another selector.